Network Troubleshooting CCT Practice Questions (Page 9)

Questions 41–45

1. 41foundation · easy

   A host has an IP address of 192.168.1.100 with a subnet mask of 255.255.255.0. Which command would the technician use to verify the host's default gateway configuration?

   • Atracert 192.168.1.1
   • Bping 192.168.1.1
   • Cnslookup 192.168.1.1
   • Dipconfig /all
   Reveal Solution Discussion Select an answer first
2. 42application · medium

   A network administrator notices that the switch logs show frequent MAC address flapping on port Gi0/1. The port connects to a conference room wall jack. Users in that room report intermittent connectivity. What is the most likely cause and the immediate remediation?

   • AAn unauthorized switch has been plugged into the wall jack, creating a loop; enable Spanning Tree Protocol (STP) on the port.
   • BA faulty cable is causing CRC errors; replace the patch cable.
   • CThe NIC on the user's laptop is faulty; replace the laptop's network adapter.
   • DThe wall jack is configured for a different VLAN; change the port to the correct VLAN.
   Reveal Solution Discussion Select an answer first
4. 43foundation · easy

   A user reports that they can access the internet but cannot reach a specific internal server by its hostname. Which category of common network issue does this most likely represent?

   • ASlow performance
   • BConfiguration error
   • CSecurity policy violation
   • DPhysical connectivity failure
   Reveal Solution Discussion Select an answer first
5. 44application · medium

   A network admin is troubleshooting a VLAN issue. A device in VLAN 10 cannot communicate with a device in VLAN 20, but both can communicate with devices in their own VLAN. What is the most likely cause?

   • AThe devices have incorrect MAC addresses.
   • BThe switch ports are not configured as trunk ports.
   • CThe switch is not running Spanning Tree Protocol.
   • DThe devices are on different IP subnets.
   Reveal Solution Discussion Select an answer first
6. 45application · medium

   After resolving a network outage caused by a misconfigured VLAN on a switch, you are asked to update the documentation. What is the most important information to include?

   • AThe exact commands used to fix the VLAN configuration.
   • BThe serial numbers of the switches involved.
   • CThe names of the users affected by the outage.
   • DThe root cause, the fix applied, and the steps taken to diagnose.
   Reveal Solution Discussion Select an answer first